AIRCRAFT CLOCK 8 DAY MECHANICAL A-13A-1 WALTHAM INSTRUMENT 400201

AIRCRAFT CLOCK 8 DAY MECHANICAL A-13A-1 WALTHAM INSTRUMENT 400201 1965 SERIAL NUMBER 72892 From the Waltham Clock website: With one-hour elapsed time feature and sweep hand. The start, stop and flyback of second and minute hands does not disturb time of day. The lever for adjusting rate is accessible without removing the clock movement from its case. Clocks contain an unbreakable, anti-magnetic cobalt alloy mainspring and an anti-magnetic temperature compensated hairspring to ensure accuracy. Mechanical clocks are stand-alone, time keeping instruments which are not affected by environmental extremes or system failure. CLOCK IS WORKING IT MAY NEED TO BE CLEANED AFTER ALL THIS TIME AND APPLICATION THANK YOU FOR L@-@KING SIGNATURE REQUIRED INSURED AT NO EXTRA COST TO BUYER